VOIP won’t outnumber PBX until 2009
eWeek cites an Insight Research report claiming that only by 2009 the number of installed VOIP in the enterprise will be larger than the number of incumbent PBX systems. The major factor slowing the VOIP uptake? The price of IP phones tends to be 25% higher. $4.3 billion of PBX equipment will be shipped to enterprise customers this year.